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Kg3v Ham Radio Blog

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Digital Modes

RTTY Transmissions Off-freq with MMTTY

I participated in the NAQP RTTY contest this weekend. I normally use 2 radios in contests. In this one, I setup for RTTY and started the contest. Nobody could hear me with one radio (IC-7600) using an all-band dipole/doublet that... Continue Reading →

RTTY on the IC-7600 Using N1MM+ and MMTTY

I have been using the IC-7600 on RTTY with N1MM+ and the MMTTY application for a couple of years now. There are some good directions for this in the N1MM+ documentation, so I am not going to go through all... Continue Reading →

Hints – Using the ICOM IC-7600 on RTTY with N1MM+ and MMTTY

I keep seeing people having trouble with this setup. Every time I go to RTTY Mode, something is not working. It seems that some of the parameters in MMTTY and in the Radio keep resetting themselves. There are some other... Continue Reading →

RTTY with FTDX-3000 and MMTTY

I have finally gotten this setup working fine and decided to save all the details. You can find a description, along with all of the screen TABS from MMTTY set to get this working on the Digital Modes Page on... Continue Reading →

FTDX3000 USB Virtual COM Ports

Setup of the USB interface with the FTDX3000 is very simple but it can seem confusing. It is only confusing because people may not be familiar with the idea of a Virtual COM Port, which only exists inside the USB... Continue Reading →

Options for using the IC-7600 on RTTY with a PC

There has been a bit of discussion on the IC-7600 newsgroup about using FSK vs. AFSK when connecting a computer to the radio. Here is a summary that I posted in that group. Hopefully it will help some others get... Continue Reading →

RTTY Test with IC-7600 and MMTTY

I used the North American RTTY QSO Party this weekend to try and get MMTTY working with N1MM for RTTY using my IC-7600 radio. It took me about 2 hours to get it all working, and the result is good.... Continue Reading →

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